Cita APA (7a ed.)

Epling, C. (1939). A revision of Salvia.: Subgenus Calosphase. Verlag des Repertoriums.

Cita Chicago Style (17a ed.)

Epling, Carl. A Revision of Salvia.: Subgenus Calosphase. Dahlem bei Berlin: Verlag des Repertoriums, 1939.

Cita MLA (8a ed.)

Epling, Carl. A Revision of Salvia.: Subgenus Calosphase. Verlag des Repertoriums, 1939.